Chair



FIG. 1 is a perspective view of the design taken from above and showing the right side thereof;

FIG. 2 is a front view of the design;

FIG. 3 is a back view of the design;

FIG. 4 is a top perspective view of the design; and,

FIG. 5 is a right view of the design, the left view of the design being a mirror image of the right. 

The ornamental design for a chair, as shown and described. 